summaryrefslogtreecommitdiffstats
path: root/gfx/layers/SyncObject.h
blob: 03590dd436947b749b22795aa6150f65a738b53a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef MOZILLA_GFX_LAYERS_SYNCOBJECT_H
#define MOZILLA_GFX_LAYERS_SYNCOBJECT_H

#include "mozilla/RefCounted.h"

struct ID3D11Device;

namespace mozilla {
namespace layers {

#ifdef XP_WIN
typedef void* SyncHandle;
#else
typedef uintptr_t SyncHandle;
#endif  // XP_WIN

class SyncObjectHost : public RefCounted<SyncObjectHost> {
 public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SyncObjectHost)
  virtual ~SyncObjectHost() = default;

#ifdef XP_WIN
  static already_AddRefed<SyncObjectHost> CreateSyncObjectHost(
      ID3D11Device* aDevice);
#endif
  virtual bool Init() = 0;

  virtual SyncHandle GetSyncHandle() = 0;

  // Return false for failed synchronization.
  virtual bool Synchronize(bool aFallible = false) = 0;

 protected:
  SyncObjectHost() = default;
};

class SyncObjectClient : public external::AtomicRefCounted<SyncObjectClient> {
 public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SyncObjectClient)
  virtual ~SyncObjectClient() = default;

#ifdef XP_WIN
  static already_AddRefed<SyncObjectClient> CreateSyncObjectClient(
      SyncHandle aHandle, ID3D11Device* aDevice);
#endif
  static already_AddRefed<SyncObjectClient>
  CreateSyncObjectClientForContentDevice(SyncHandle aHandle);

  enum class SyncType {
    D3D11,
  };

  virtual SyncType GetSyncType() = 0;

  // Return false for failed synchronization.
  virtual bool Synchronize(bool aFallible = false) = 0;

  virtual bool IsSyncObjectValid() = 0;

  virtual void EnsureInitialized() = 0;

 protected:
  SyncObjectClient() = default;
};

}  // namespace layers
}  // namespace mozilla

#endif  // MOZILLA_GFX_LAYERS_SYNCOBJECT_H